ES2301973T3 - Metodo para recuperar zinc por lixiviacion contracorriente. - Google Patents

Metodo para recuperar zinc por lixiviacion contracorriente. Download PDF

Info

Publication number: ES2301973T3
Authority: ES; Spain
Prior art keywords: phase; leaching; zinc; concentrate; jarosite
Prior art date: 2003-02-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

ES04713920T

Other languages

English (en)

Spanish (es)

Inventor

Aimo Jarvinen

Marko Lahtinen

Heikki Takala

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Metso Corp

Original Assignee

Outotec Oyj

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2003-02-26

Filing date

2004-02-24

Publication date

2008-07-01

2004-02-24 Application filed by Outotec Oyj filed Critical Outotec Oyj

2008-07-01 Application granted granted Critical

2008-07-01 Publication of ES2301973T3 publication Critical patent/ES2301973T3/es

2024-02-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 61
239000011701 zinc Substances 0.000 title claims abstract description 61
229910052725 zinc Inorganic materials 0.000 title claims abstract description 61
238000000034 method Methods 0.000 title claims abstract description 59
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 177
238000002386 leaching Methods 0.000 claims abstract description 131
229910052742 iron Inorganic materials 0.000 claims abstract description 85
239000012141 concentrate Substances 0.000 claims abstract description 69
239000002253 acid Substances 0.000 claims abstract description 54
229910052935 jarosite Inorganic materials 0.000 claims abstract description 51
238000001556 precipitation Methods 0.000 claims abstract description 43
239000002244 precipitate Substances 0.000 claims abstract description 29
239000007787 solid Substances 0.000 claims abstract description 29
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 26
229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 24
229960001763 zinc sulfate Drugs 0.000 claims abstract description 24
238000005868 electrolysis reaction Methods 0.000 claims abstract description 13
239000005083 Zinc sulfide Substances 0.000 claims abstract description 10
238000000746 purification Methods 0.000 claims abstract description 10
DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims abstract description 10
239000003792 electrolyte Substances 0.000 claims abstract description 7
238000009835 boiling Methods 0.000 claims abstract description 4
239000007858 starting material Substances 0.000 claims abstract 2
230000007935 neutral effect Effects 0.000 claims description 43
238000006243 chemical reaction Methods 0.000 claims description 32
229910000859 α-Fe Inorganic materials 0.000 claims description 24
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
229910052760 oxygen Inorganic materials 0.000 claims description 15
239000001301 oxygen Substances 0.000 claims description 15
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
239000011593 sulfur Substances 0.000 claims description 5
229910052717 sulfur Inorganic materials 0.000 claims description 5
238000005188 flotation Methods 0.000 claims description 4
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical class [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
229910052787 antimony Inorganic materials 0.000 claims description 3
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
229910052732 germanium Inorganic materials 0.000 claims description 3
GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
239000011707 mineral Substances 0.000 claims description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
150000002500 ions Chemical class 0.000 claims 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
230000003647 oxidation Effects 0.000 description 10
238000007254 oxidation reaction Methods 0.000 description 10
238000006386 neutralization reaction Methods 0.000 description 8
229910052984 zinc sulfide Inorganic materials 0.000 description 7
229910052595 hematite Inorganic materials 0.000 description 5
239000011019 hematite Substances 0.000 description 5
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 5
238000011084 recovery Methods 0.000 description 5
239000002562 thickening agent Substances 0.000 description 5
239000011787 zinc oxide Substances 0.000 description 5
239000003795 chemical substances by application Substances 0.000 description 4
239000000463 material Substances 0.000 description 4
230000003472 neutralizing effect Effects 0.000 description 4
229910001308 Zinc ferrite Inorganic materials 0.000 description 3
NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 3
229910052683 pyrite Inorganic materials 0.000 description 3
239000000725 suspension Substances 0.000 description 3
WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical compound O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 2
238000001354 calcination Methods 0.000 description 2
239000011575 calcium Substances 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000011028 pyrite Substances 0.000 description 2
239000013049 sediment Substances 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000011734 sodium Substances 0.000 description 2
150000004763 sulfides Chemical class 0.000 description 2
229910002588 FeOOH Inorganic materials 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
241000221535 Pucciniales Species 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
-1 ammonium ions Chemical class 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000013078 crystal Substances 0.000 description 1
WSUTUEIGSOWBJO-UHFFFAOYSA-N dizinc oxygen(2-) Chemical compound [O-2].[O-2].[Zn+2].[Zn+2] WSUTUEIGSOWBJO-UHFFFAOYSA-N 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
229960004887 ferric hydroxide Drugs 0.000 description 1
239000011790 ferrous sulphate Substances 0.000 description 1
235000003891 ferrous sulphate Nutrition 0.000 description 1
238000001914 filtration Methods 0.000 description 1
235000014413 iron hydroxide Nutrition 0.000 description 1
229910000358 iron sulfate Inorganic materials 0.000 description 1
IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
229910052960 marcasite Inorganic materials 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
229910052950 sphalerite Inorganic materials 0.000 description 1
150000003752 zinc compounds Chemical class 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/04—Obtaining zinc by distilling
- C22B19/08—Obtaining zinc by distilling in blast furnaces
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Metallurgy (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Manufacturing & Machinery (AREA)
Environmental & Geological Engineering (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Inorganic Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Electrolytic Production Of Metals (AREA)

ES04713920T 2003-02-26 2004-02-24 Metodo para recuperar zinc por lixiviacion contracorriente. Expired - Lifetime ES2301973T3 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI20030285		2003-02-26
FI20030285A FI116071B (fi)	2003-02-26	2003-02-26	Menetelmä sinkin talteenottamiseksi vastavirtaliuotuksella

Publications (1)

Publication Number	Publication Date
ES2301973T3 true ES2301973T3 (es)	2008-07-01

Family

ID=8565718

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES04713920T Expired - Lifetime ES2301973T3 (es)	2003-02-26	2004-02-24	Metodo para recuperar zinc por lixiviacion contracorriente.

Country Status (18)

Country	Link
US (1)	US7517383B2 (fr)
EP (1)	EP1597403B1 (fr)
JP (1)	JP4511519B2 (fr)
KR (1)	KR101084522B1 (fr)
CN (1)	CN100572569C (fr)
AT (1)	ATE389038T1 (fr)
AU (1)	AU2004215197B2 (fr)
BR (1)	BRPI0407700B1 (fr)
CA (1)	CA2516411C (fr)
DE (1)	DE602004012394T2 (fr)
EA (1)	EA008362B1 (fr)
ES (1)	ES2301973T3 (fr)
FI (1)	FI116071B (fr)
MX (1)	MXPA05008897A (fr)
NO (1)	NO20054254L (fr)
PE (1)	PE20041037A1 (fr)
WO (1)	WO2004076698A1 (fr)
ZA (1)	ZA200505981B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN100361750C (zh) *	2005-12-07	2008-01-16	冯国臣	硫精矿除杂提纯浮选工艺
FI118226B (fi)	2005-12-29	2007-08-31	Outokumpu Technology Oyj	Menetelmä harvinaisten metallien talteenottamiseksi sinkin liuotusprosessissa
FI122676B (fi)	2010-10-12	2012-05-15	Outotec Oyj	Menetelmä sinkkisulfaattipitoisen liuoksen käsittelemiseksi
KR101047986B1 (ko) *	2010-11-26	2011-07-13	한국지질자원연구원	Ｃｃｄ 공정을 이용한 리튬 이온의 흡착/탈착 장치 및 그 방법
CN103210099A (zh) *	2011-04-15	2013-07-17	泰姆5有限公司	从硫化锌精矿开始回收含硫介质中的锌的湿法冶金方法
CN102191371B (zh) *	2011-04-18	2013-02-06	中南大学	一种传统锌湿法冶炼过程中铁锌分离的方法
FI123884B (fi)	2011-11-08	2013-11-29	Outotec Oyj	Menetelmä sulfidisen metallirikasteen liuottamiseksi
MX2016003686A (es) *	2013-09-20	2016-06-22	Metaleach Ltd	Metodo para la lixiviacion de cinc a partir de menas incrustadas en carbonato.
EP2902510A1 (fr)	2014-01-29	2015-08-05	Canbekte, Hüsnü Sinan	Nouveau procédé pour la lixiviation de la poussière de four électrique à arc (EAFD) avec de l'acide sulfurique
CN105734290A (zh) *	2016-03-29	2016-07-06	湖北大江环保科技股份有限公司	一种锌湿法冶金的除砷工艺
CN106048217B (zh) *	2016-07-29	2018-06-29	四环锌锗科技股份有限公司	氧化锌粉的综合回收利用方法
RU2767385C1 (ru) *	2021-02-18	2022-03-17	Федеральное государственное автономное образовательное учреждение высшего образования "Балтийский федеральный университет имени Иммануила Канта" (БФУ им. И. Канта)	Способ переработки окисленной цинковой руды

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI50097C (fi) *	1973-02-12	1980-10-24	Outokumpu Oy	Hydrometallurgiskt foerfarande foer aotervinning av zink koppar och kadmium fraon deras ferriter
CA1090143A (fr) *	1976-01-26	1980-11-25	Hans Reinhardt	Methode pour recuperer du zinc a partir de materiaux contenant du zinc et du fer
CA1104837A (fr) *	1977-08-19	1981-07-14	Donald R. Weir	Methode d'extraction du cuivre et du zinc en presence dans les sulfures complexes
LU78802A1 (fr) *	1977-12-30	1979-07-20	Prayon	Procede de traitement de residus de minerais de zinc ferriferes
LU85385A1 (fr) *	1984-05-28	1986-01-29	Mines Fond Zinc Vieille	Procede de lixiviation de sulfures contenant du zinc et du fer
FI88516C (fi) *	1990-02-16	1993-05-25	Outokumpu Oy	Hydrometallurgiskt foerfarande foer behandling av zinksulfidhaltiga raoaemnen
CN1040133C (zh) *	1993-08-27	1998-10-07	联合矿业有限公司	从硫化物精矿中提取锌的方法
FI100806B (fi) *	1996-08-12	1998-02-27	Outokumpu Base Metals Oy	Menetelmä sinkkirikasteen liuottamiseksi atmosfäärisissä olosuhteissa
JP2001021224A (ja) *	1999-07-06	2001-01-26	Tadao Nakano	浴槽の対流改善装置
JP3911536B2 (ja) *	2000-01-31	2007-05-09	Ｄｏｗａメタルマイン株式会社	亜鉛精鉱の浸出法
FI109030B (fi) *	2000-12-08	2002-05-15	Outotec Oyj	Menetelmä raudan hydrolyyttiseksi saostamiseksi

2003
- 2003-02-26 FI FI20030285A patent/FI116071B/fi not_active IP Right Cessation
2004
- 2004-02-24 US US10/544,272 patent/US7517383B2/en not_active Expired - Fee Related
- 2004-02-24 ES ES04713920T patent/ES2301973T3/es not_active Expired - Lifetime
- 2004-02-24 CN CNB2004800027969A patent/CN100572569C/zh not_active Expired - Fee Related
- 2004-02-24 EA EA200500980A patent/EA008362B1/ru not_active IP Right Cessation
- 2004-02-24 MX MXPA05008897A patent/MXPA05008897A/es active IP Right Grant
- 2004-02-24 WO PCT/FI2004/000085 patent/WO2004076698A1/fr not_active Ceased
- 2004-02-24 JP JP2006502070A patent/JP4511519B2/ja not_active Expired - Fee Related
- 2004-02-24 DE DE602004012394T patent/DE602004012394T2/de not_active Expired - Lifetime
- 2004-02-24 EP EP04713920A patent/EP1597403B1/fr not_active Expired - Lifetime
- 2004-02-24 AT AT04713920T patent/ATE389038T1/de not_active IP Right Cessation
- 2004-02-24 BR BRPI0407700A patent/BRPI0407700B1/pt not_active IP Right Cessation
- 2004-02-24 CA CA2516411A patent/CA2516411C/fr not_active Expired - Fee Related
- 2004-02-24 AU AU2004215197A patent/AU2004215197B2/en not_active Ceased
- 2004-02-24 KR KR1020057016072A patent/KR101084522B1/ko not_active Expired - Fee Related
- 2004-02-25 PE PE2004000192A patent/PE20041037A1/es not_active Application Discontinuation
2005
- 2005-07-26 ZA ZA200505981A patent/ZA200505981B/en unknown
- 2005-09-14 NO NO20054254A patent/NO20054254L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
AU2004215197B2 (en)	2009-08-27
NO20054254L (no)	2005-09-14
FI116071B (fi)	2005-09-15
CN1742104A (zh)	2006-03-01
WO2004076698A1 (fr)	2004-09-10
DE602004012394D1 (de)	2008-04-24
US7517383B2 (en)	2009-04-14
AU2004215197A1 (en)	2004-09-10
ATE389038T1 (de)	2008-03-15
EP1597403A1 (fr)	2005-11-23
FI20030285A0 (fi)	2003-02-26
JP2006519309A (ja)	2006-08-24
DE602004012394T2 (de)	2009-04-02
BRPI0407700A (pt)	2006-04-11
EA008362B1 (ru)	2007-04-27
JP4511519B2 (ja)	2010-07-28
FI20030285L (fi)	2004-08-27
CA2516411C (fr)	2013-07-02
CA2516411A1 (fr)	2004-09-10
KR20050103512A (ko)	2005-10-31
EP1597403B1 (fr)	2008-03-12
PE20041037A1 (es)	2005-01-18
MXPA05008897A (es)	2006-02-17
ZA200505981B (en)	2006-05-31
KR101084522B1 (ko)	2011-11-18
CN100572569C (zh)	2009-12-23
BRPI0407700B1 (pt)	2015-12-22
EA200500980A1 (ru)	2006-04-28
US20060213332A1 (en)	2006-09-28

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WO2012140284A1 (fr)	2012-10-18	Procédé hydrométallurgique pour la récupération de zinc dans un milieu sulfurique à partir de concentrés de zinc sulfurés
ES2719073T3 (es)	2019-07-08	Método hidrometalúrgico para la recuperación zinc en un medio sulfúrico a partir de concentrados de sulfuro de zinc que tienen un alto contenido en hierro
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ES2258612T3 (es)	2006-09-01	Metodo para la precipitacion de silice en relacion con lixiviacion de mineral de zinc.
ES2674440A1 (es)	2018-06-29	Planta hidrometalúrgica para el tratamiento de sulfuros complejos